Heart Model

What Does the first bottle represent? (going left to right)
The Atrium
The Ventricles
The Lungs
What Does the second bottle represent? (going left to right)
The Atrium
The Ventricles
The Lungs
What Does the third bottle represent? (going left to right)
The Atrium
The Ventricles
The Lungs
What do the straws represent?
The valves
Blood flow
What were some observations you made?
How did the pressure of the valves (your hands) make a difference in the way the heart model worked?
Could you see the blood travel from one place to the next?
Would the heart model be able to function if one of the straws were blocked?
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